Sonata in B flat,K 333,315c Sonata in B flat,K 378,317d Sonata in E flat,K 380,374f Sonata in B flat major, K333/315c Sonata in B flat, K.333 Sonata in B flat,K 15 Sonata in B flat,K 31 Sonata in B flat,KV 333 Sonata in E flat,K 302,293b Sonata in B flat, K.281